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Shoemaker–Levy 9

Syllabification: (Shoe·mak·er–Le·vy 9)

Pronunciation: /ˈSHo͞oˌmākər ˈlēvē ˈnīn/

Definition of Shoemaker–Levy 9

a comet discovered in March 1993, when it had just broken up as a result of passing very close to Jupiter. In July 1994 more than twenty separate fragments impacted successively on Jupiter, causing large explosions in its atmosphere.